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WO2006036380A3 - A pre-distorter for orthogonal frequency division multiplexing systems and method of operating the same - Google Patents

A pre-distorter for orthogonal frequency division multiplexing systems and method of operating the same Download PDF

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Publication number
WO2006036380A3
WO2006036380A3 PCT/US2005/029742 US2005029742W WO2006036380A3 WO 2006036380 A3 WO2006036380 A3 WO 2006036380A3 US 2005029742 W US2005029742 W US 2005029742W WO 2006036380 A3 WO2006036380 A3 WO 2006036380A3
Authority
WO
WIPO (PCT)
Prior art keywords
distorter
power amplifier
frequency division
division multiplexing
orthogonal frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2005/029742
Other languages
French (fr)
Other versions
WO2006036380A2 (en
Inventor
Figueiredo Rui J P De
Byung Moo Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of California Berkeley
University of California San Diego UCSD
Original Assignee
University of California Berkeley
University of California San Diego UCSD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of California Berkeley, University of California San Diego UCSD filed Critical University of California Berkeley
Priority to JP2007528079A priority Critical patent/JP2008511212A/en
Priority to EP05810240A priority patent/EP1779622A2/en
Publication of WO2006036380A2 publication Critical patent/WO2006036380A2/en
Anticipated expiration legal-status Critical
Publication of WO2006036380A3 publication Critical patent/WO2006036380A3/en
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

A pre-distorter (14) and a power amplifier (24) are combined in a communication system. The purpose of the power amplifier is to provide as high a power as possible to the orthogonal frequency division multiplexing (OFDM) signal (z(t)) being passed by the high power amplifier (24) to the communication system. The pre-distorter (14) inverts the nonlinearity of the amplifier (24), so that the combination of pre-distorter (14) and high power amplifier (24) exhibit linear characteristic beyond the normal linear range of the high power amplifier. The pre-distorter (14) is based on exact analytic expression for the description of the input-output characteristic of the pre-distorter based on an analytic model for the power amplifier. A mixed computational-analytical approach compensates for nonlinear distortion in the high power amplifier even with time-varying characteristics. This leads to a sparse and yet accurate representation of the pre-distorter, with the capability of tracking efficiently any rapidly time-varying behavior of the power amplifier.
PCT/US2005/029742 2004-08-19 2005-08-18 A pre-distorter for orthogonal frequency division multiplexing systems and method of operating the same Ceased WO2006036380A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007528079A JP2008511212A (en) 2004-08-19 2005-08-18 Predistorter for orthogonal frequency division multiplexing system and method of operation thereof
EP05810240A EP1779622A2 (en) 2004-08-19 2005-08-18 A pre-distorter for orthogonal frequency division multiplexing systems and method of operating the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US60290504P 2004-08-19 2004-08-19
US60/602,905 2004-08-19

Publications (2)

Publication Number Publication Date
WO2006036380A2 WO2006036380A2 (en) 2006-04-06
WO2006036380A3 true WO2006036380A3 (en) 2007-08-02

Family

ID=36119344

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/029742 Ceased WO2006036380A2 (en) 2004-08-19 2005-08-18 A pre-distorter for orthogonal frequency division multiplexing systems and method of operating the same

Country Status (6)

Country Link
US (1) US20060039498A1 (en)
EP (1) EP1779622A2 (en)
JP (1) JP2008511212A (en)
KR (1) KR20070046779A (en)
CN (1) CN101112031A (en)
WO (1) WO2006036380A2 (en)

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CN101175061B (en) * 2007-11-30 2011-05-04 北京北方烽火科技有限公司 Self-adapting digital predistortion method and apparatus for OFDM transmitter
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CN103001900B (en) * 2012-12-11 2015-08-05 华为技术有限公司 Method and device for eliminating interference between transmission channels of transmitter
JP2016539607A (en) 2013-11-26 2016-12-15 プラスン，エルエルシー System and method for radio frequency carrier aggregation
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CN105282078B (en) * 2014-06-19 2019-02-26 上海数字电视国家工程研究中心有限公司 The generation method of preprocess method and leading symbol to frequency-domain OFDM symbol
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US10985951B2 (en) 2019-03-15 2021-04-20 The Research Foundation for the State University Integrating Volterra series model and deep neural networks to equalize nonlinear power amplifiers
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US5929703A (en) * 1996-08-07 1999-07-27 Alcatel Telspace Method and device for modeling AM-AM and AM-PM characteristics of an amplifier, and corresponding predistortion method
US6075411A (en) * 1997-12-22 2000-06-13 Telefonaktiebolaget Lm Ericsson Method and apparatus for wideband predistortion linearization
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Also Published As

Publication number Publication date
CN101112031A (en) 2008-01-23
EP1779622A2 (en) 2007-05-02
WO2006036380A2 (en) 2006-04-06
US20060039498A1 (en) 2006-02-23
JP2008511212A (en) 2008-04-10
KR20070046779A (en) 2007-05-03

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